Palo Alto, CA solar installation & market data
Updated April 23, 2026 By The SolarDNA Data Team
Palo Alto has 1,475 solar installations across 5 zip codes at a median installed cost of $5.67/W, installations up 35.8% over the trailing twelve months, and an installs-weighted Market Score of 45.
Active installations
1,475
Zip markets
5
Median cost
$5.67/W
12-mo growth
▲ 35.8%
Installers active
207
City Market Score
Good · installs-weighted across 5 zips
Best zip in Palo Alto scores higher than 95% of U.S. zip markets.
Versus California
How Palo Alto compares with the state
Installed cost
$1.40/W above
state median $4.26/W
Market score
45 vs 53
California scores 53
Share of state installs
0.07%
of 2.3M tracked statewide
Battery attach
5.5%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Next-12-month outlook: 89–121 installs (midpoint 105)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
Palo Alto by year
91 installs in the trailing twelve months vs 67 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Palo Alto
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 246 | 4 | 4 | $5.64 |
| 2 | SUNRUN | 210 | 22 | 4 | $4.52 |
| 3 | RGS ENERGY | 121 | 0 | 5 | $8.86 |
| 4 | COBALT POWER SYSTEMS | 82 | 1 | 4 | $6.28 |
| 5 | PALO ALTO SOLAR | 56 | 0 | 3 | $7.22 |
| 6 | SUNWORK RENEWABLE ENERGY | 35 | 0 | 3 | $2.81 |
| 7 | BRIGHT OPS | 33 | 29 | 1 | $5.93 |
| 8 | BETTER EARTH | 21 | 0 | 1 | $4.81 |
| 9 | FREEDOM FOREVER | 21 | 0 | 1 | $4.61 |
| 10 | AKEENA SOLAR | 19 | 0 | 4 | $8.52 |
| 11 | REC SOLAR | 18 | 0 | 4 | $8.11 |
| 12 | SUNPOWER | 17 | 0 | 4 | $5.00 |
| 13 | AMERICAN ARRAY SOLAR | 14 | 0 | 1 | $3.57 |
| 14 | MCPOWER | 14 | 0 | 3 | $11.28 |
| 15 | ASTRO POWER | 13 | 0 | 1 | $7.34 |
| 16 | SOLECTRIC | 13 | 0 | 3 | $9.21 |
| 17 | RA SOLAR CA | 12 | 0 | 1 | $3.00 |
| 18 | SUNLIGHT POWER | 10 | 0 | 4 | $5.20 |
| 19 | FIDELITY HOME ENERGY | 10 | 0 | 1 | $6.21 |
| 20 | WONG GREEN TECH | 9 | 0 | 2 | $4.94 |
| 21 | PETERSENDEAN | 9 | 0 | 3 | $5.45 |
| 22 | FREEDOM SOLAR POWER TX | 9 | 0 | 3 | $5.93 |
| 23 | THE SOLAR COMPANY | 8 | 0 | 3 | $6.12 |
| 24 | BORREGO SOLAR | 8 | 0 | 3 | $7.99 |
| 25 | JJ OWENS ELECTRIC | 7 | 0 | 3 | $7.85 |